Wilkhahn’s free-to-move concept powered by Trimension® is a global benchmark in healthy three-dimensional sitting. The AT family with its integrative, coordinated design, variety of models and customizable features is the smart all-rounder among the free-to-move ranges. The self-centering suspension of the seat shell ensures bodies main- tain their center of gravity – whatever the posture adopted or move- ment made. And because the backrest bearer that can be tilted comes with automatic weight adjustment, AT makes embracing a healthy range of motion while sitting child’s play for everyone. Just sit down, adjust the seating height and you’re done! The chair and your body will do the rest by themselves